public void TableElement_ShouldBeCreatedProperly()
{
TableElement element = new TableElement();
element.AddColumns(new TextContent("column1"), new TextContent("column2"));
element.AddRow(new TextContent("text1"), new TextContent("text2"));
element.ToString().Should()
.BeEquivalentTo(
"<table><thead><th>column1</th><th>column2</th></thead><tbody><tr><td>text1</td><td>text2</td></tr></tbody></table>");
}